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Andisols

Dynamics of Soil Nutrients in the Rooting Zone with Reference to the Mechanisms of Nutrient Supply in Soil

Submitted by Tom Miles on April 24, 2007 - 3:17pm
Last updated April 24, 2007
in

Dynamics of Soil Nutrients in the Rooting Zone with Reference to the Mechanisms of Nutrient Supply in Soil.
Junta Yanai1, Takashi Kosaki2, and Hidekazu Yamada1. (1) Kyoto Prefectural Univ, Shimogamo Hangi-cho 1-5, Sakyo, Kyoto, 606-8522, Japan, (2) Kyoto Univ, Sakyo-ku, Kyoto, 606-8502, Japan
18th World Congress of Soil Science, July 9-15, 2006, Philadelphia, PA, USA

Microbial Fertilizers in Japan

Submitted by Tom Miles on April 9, 2007 - 9:05pm
Last updated April 15, 2007
in

Microbial Fertilizers in Japan
Michinori Nishio, National Institute of Agro-Environmental Sciences, Ibaraki, Japan
Food & Fertilizer Technology Center (FFTC) for the Asian and Pacific Region

Black C Effects on the Biogeochemical Cycling of Soil Nutrients and Organic C in Amazonian Dark Earths (Terra Preta De Indo)

Submitted by Tom Miles on March 4, 2007 - 6:54pm
Last updated March 04, 2007
in

Black C Effects on the Biogeochemical Cycling of Soil Nutrients and Organic C in Amazonian Dark Earths (Terra Preta De Indo)
Biqing Liang, Graduate Student, Department of Crop and Soil Sciences, Cornell University, 9/21/2006,Crop and Soil Sciences Seminar Series, Cornell University. College of Agriculture and Life Sciences.

Abstract:

Building a Black Soil

Submitted by Tom Miles on January 20, 2007 - 9:52pm
Last updated January 22, 2007
in

Building a black soil
C.I. Czimczik (1) and C.A. Masiello (2)

ABSTRACT
Black carbon (BC) is a major fraction (up to 35%, depending on methods used) of
soil organic carbon (SOC) in some of the most fertile and extensively cropped soils
of the world (Mollisols, Andisols, Terra Preta de Indio). Although BC is produced via
biomass burning in many ecosystems, it accumulates as a component of SOC in only
a few. Soils enriched in BC are not necessarily found in areas with the highest fire frequencies (savannah) or with the largest black carbon production (woody vegetation).

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